[apops] Weekly Routing Table Report

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  • Subject: [apops] Weekly Routing Table Report
  • From: Routing Analysis Role Account <cscora at apnic dot net>
  • Date: Sat, 23 Oct 2010 04:51:43 +1000 (EST)
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  • Reply-to: pfs@cisco.com
    • Routing Table as seen from APNIC's router in Japan.
      
      The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG, LacNOG,
      CaribNOG and the RIPE Routing Working Group.
      
      Daily listings are sent to bgp-stats at lists dot apnic dot net
      
      For historical data, please see http://thyme.rand.apnic.net.
      
      If you have any comments please contact Philip Smith <pfs at cisco dot com>.
      
      Routing Table Report   04:00 +10GMT Sat 23 Oct, 2010
      
      Report Website:     http://thyme.rand.apnic.net
      Detailed Analysis:  http://thyme.rand.apnic.net/current/
      
      Analysis Summary
      ----------------
      
      BGP routing table entries examined:                              334429
          Prefixes after maximum aggregation:                          152752
          Deaggregation factor:                                          2.19
          Unique aggregates announced to Internet:                     164630
      Total ASes present in the Internet Routing Table:                 35103
          Prefixes per ASN:                                              9.53
      Origin-only ASes present in the Internet Routing Table:           30270
      Origin ASes announcing only one prefix:                           14793
      Transit ASes present in the Internet Routing Table:                4833
      Transit-only ASes present in the Internet Routing Table:            122
      Average AS path length visible in the Internet Routing Table:       4.3
          Max AS path length visible:                                      31
          Max AS path prepend of ASN (36992)                               29
      Prefixes from unregistered ASNs in the Routing Table:               309
          Unregistered ASNs in the Routing Table:                         130
      Number of 32-bit ASNs allocated by the RIRs:                        829
      Prefixes from 32-bit ASNs in the Routing Table:                       0
      Special use prefixes present in the Routing Table:                    0
      Prefixes being announced from unallocated address space:            196
      Number of addresses announced to Internet:                   2290781856
          Equivalent to 136 /8s, 138 /16s and 142 /24s
          Percentage of available address space announced:               61.8
          Percentage of allocated address space announced:               65.4
          Percentage of available address space allocated:               94.6
          Percentage of address space in use by end-sites:               85.3
      Total number of prefixes smaller than registry allocations:      137383
      
      APNIC Region Analysis Summary
      -----------------------------
      
      Prefixes being announced by APNIC Region ASes:                    81988
          Total APNIC prefixes after maximum aggregation:               27957
          APNIC Deaggregation factor:                                    2.93
      Prefixes being announced from the APNIC address blocks:           78894
          Unique aggregates announced from the APNIC address blocks:    34579
      APNIC Region origin ASes present in the Internet Routing Table:    4218
          APNIC Prefixes per ASN:                                       18.70
      APNIC Region origin ASes announcing only one prefix:               1178
      APNIC Region transit ASes present in the Internet Routing Table:    675
      Average APNIC Region AS path length visible:                        4.4
          Max APNIC Region AS path length visible:                         17
      Number of APNIC addresses announced to Internet:              560261152
          Equivalent to 33 /8s, 100 /16s and 232 /24s
          Percentage of available APNIC address space announced:         75.9
      
      APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
      (pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079
                             55296-56319, 131072-132095
      APNIC Address Blocks     1/8,  14/8,  27/8,  36/8,  42/8,  43/8,  49/8,
                              58/8,  59/8,  60/8,  61/8, 101/8, 110/8, 111/8,
                             112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8,
                             119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8,
                             126/8, 133/8, 175/8, 180/8, 182/8, 183/8, 202/8,
                             203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8,
                             222/8, 223/8,
      
      ARIN Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by ARIN Region ASes:                    137432
          Total ARIN prefixes after maximum aggregation:                71024
          ARIN Deaggregation factor:                                     1.94
      Prefixes being announced from the ARIN address blocks:           108852
          Unique aggregates announced from the ARIN address blocks:     43520
      ARIN Region origin ASes present in the Internet Routing Table:    13992
          ARIN Prefixes per ASN:                                         7.78
      ARIN Region origin ASes announcing only one prefix:                5369
      ARIN Region transit ASes present in the Internet Routing Table:    1478
      Average ARIN Region AS path length visible:                         4.0
          Max ARIN Region AS path length visible:                          23
      Number of ARIN addresses announced to Internet:               737933824
          Equivalent to 43 /8s, 251 /16s and 250 /24s
          Percentage of available ARIN address space announced:          62.8
      
      ARIN AS Blocks         1-1876, 1902-2042, 2044-2046, 2048-2106
      (pre-ERX allocations)  2138-2584, 2615-2772, 2823-2829, 2880-3153
                             3354-4607, 4865-5119, 5632-6655, 6912-7466
                             7723-8191, 10240-12287, 13312-15359, 16384-17407
                             18432-20479, 21504-23551, 25600-26591,
                             26624-27647, 29696-30719, 31744-33791
                             35840-36863, 39936-40959, 46080-47103
                             53248-55295, 393216-394239
      ARIN Address Blocks      3/8,   4/8,   6/8,   7/8,   8/8,   9/8,  11/8,
                              12/8,  13/8,  15/8,  16/8,  17/8,  18/8,  19/8,
                              20/8,  21/8,  22/8,  24/8,  26/8,  28/8,  29/8,
                              30/8,  32/8,  33/8,  34/8,  35/8,  38/8,  40/8,
                              44/8,  45/8,  47/8,  48/8,  50/8,  52/8,  54/8,
                              55/8,  56/8,  63/8,  64/8,  65/8,  66/8,  67/8,
                              68/8,  69/8,  70/8,  71/8,  72/8,  73/8,  74/8,
                              75/8,  76/8,  96/8,  97/8,  98/8,  99/8, 107/8,
                             108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8,
                             206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,
                            
      
      RIPE Region Analysis Summary
      ----------------------------
      
      Prefixes being announced by RIPE Region ASes:                     76974
          Total RIPE prefixes after maximum aggregation:                44606
          RIPE Deaggregation factor:                                     1.73
      Prefixes being announced from the RIPE address blocks:            70398
          Unique aggregates announced from the RIPE address blocks:     46166
      RIPE Region origin ASes present in the Internet Routing Table:    14926
          RIPE Prefixes per ASN:                                         4.72
      RIPE Region origin ASes announcing only one prefix:                7695
      RIPE Region transit ASes present in the Internet Routing Table:    2306
      Average RIPE Region AS path length visible:                         4.4
          Max RIPE Region AS path length visible:                          30
      Number of RIPE addresses announced to Internet:               442325120
          Equivalent to 26 /8s, 93 /16s and 88 /24s
          Percentage of available RIPE address space announced:          77.5
      
      RIPE AS Blocks         1877-1901, 2043, 2047, 2107-2136, 2585-2614
      (pre-ERX allocations)  2773-2822, 2830-2879, 3154-3353, 5377-5631
                             6656-6911, 8192-9215, 12288-13311, 15360-16383
                             20480-21503, 24576-25599, 28672-29695
                             30720-31743, 33792-35839, 38912-39935
                             40960-45055, 47104-52223, 196608-197631
      RIPE Address Blocks      2/8,  25/8,  31/8,  46/8,  51/8,  62/8,  77/8,
                              78/8,  79/8,  80/8,  81/8,  82/8,  83/8,  84/8,
                              85/8,  86/8,  87/8,  88/8,  89/8,  90/8,  91/8,
                              92/8,  93/8,  94/8,  95/8, 109/8, 176/8, 178/8,
                             193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
      
      LACNIC Region Analysis Summary
      ------------------------------
      
      Prefixes being announced by LACNIC Region ASes:                   30290
          Total LACNIC prefixes after maximum aggregation:               7185
          LACNIC Deaggregation factor:                                   4.22
      Prefixes being announced from the LACNIC address blocks:          28964
          Unique aggregates announced from the LACNIC address blocks:   15428
      LACNIC Region origin ASes present in the Internet Routing Table:   1371
          LACNIC Prefixes per ASN:                                      21.13
      LACNIC Region origin ASes announcing only one prefix:               427
      LACNIC Region transit ASes present in the Internet Routing Table:   238
      Average LACNIC Region AS path length visible:                       4.3
          Max LACNIC Region AS path length visible:                        18
      Number of LACNIC addresses announced to Internet:              76358016
          Equivalent to 4 /8s, 141 /16s and 33 /24s
          Percentage of available LACNIC address space announced:        56.9
      
      LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                             262144-263167 plus ERX transfers
      LACNIC Address Blocks  177/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8,
                             201/8,
      
      AfriNIC Region Analysis Summary
      -------------------------------
      
      Prefixes being announced by AfriNIC Region ASes:                   7519
          Total AfriNIC prefixes after maximum aggregation:              1866
          AfriNIC Deaggregation factor:                                  4.03
      Prefixes being announced from the AfriNIC address blocks:          5824
          Unique aggregates announced from the AfriNIC address blocks:   1725
      AfriNIC Region origin ASes present in the Internet Routing Table:   410
          AfriNIC Prefixes per ASN:                                     14.20
      AfriNIC Region origin ASes announcing only one prefix:              124
      AfriNIC Region transit ASes present in the Internet Routing Table:   91
      Average AfriNIC Region AS path length visible:                      5.2
          Max AfriNIC Region AS path length visible:                       31
      Number of AfriNIC addresses announced to Internet:             20921088
          Equivalent to 1 /8s, 63 /16s and 59 /24s
          Percentage of available AfriNIC address space announced:       62.3
      
      AfriNIC AS Blocks      36864-37887, 327680-328703 & ERX transfers
      AfriNIC Address Blocks  41/8, 197/8,
      
      APNIC Region per AS prefix count summary
      ----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       4766     1875       9453         513   Korea Telecom (KIX)
       7545     1417        299          78   TPG Internet Pty Ltd
       4755     1373        382         158   TATA Communications formerly 
      17488     1364        156         121   Hathway IP Over Cable Interne
      17974     1274        304          79   PT TELEKOMUNIKASI INDONESIA
      24560     1051        309         180   Bharti Airtel Ltd., Telemedia
       9583     1030         76         493   Sify Limited
       4808      977       1722         266   CNCGROUP IP network: China169
      18101      892        116         134   Reliance Infocom Ltd Internet
       9829      827        694          27   BSNL National Internet Backbo
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
      
      ARIN Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3765       3667         278   bellsouth.net, inc. 
       4323     2621       1103         394   Time Warner Telecom
       1785     1794        698         130   PaeTec Communications, Inc.
      19262     1777       4833         279   Verizon Global Networks 
      20115     1506       1528         647   Charter Communications 
       7018     1437       5692         920   AT&T WorldNet Services
       6478     1387        279          98   AT&T Worldnet Services 
       2386     1311        556         927   AT&T Data Communications Serv
      11492     1236        231          74   Cable One 
      22773     1207       2859          62   Cox Communications, Inc.
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
      
      RIPE Region per AS prefix count summary
      ---------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       3292      444       2027         389   TDC Tele Danmark
       8866      420        133          25   Bulgarian Telecommunication C
       8551      402        353          46   Bezeq International
        702      397       1866         311   UUNET - Commercial IP service
      34984      381         91         188   BILISIM TELEKOM
       3301      379       1688         335   TeliaNet Sweden
       3320      377       7332         330   Deutsche Telekom AG
      30890      376         80         205   Evolva Telecom
      12479      364        576           5   Uni2 Autonomous System
      31148      359         19          79   FreeNet ISP
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
      
      LACNIC Region per AS prefix count summary
      -----------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
      10620     1332        247         150   TVCABLE BOGOTA 
       8151     1327       2597         363   UniNet S.A. de C.V. 
      28573     1220        920          84   NET Servicos de Comunicao S.A
       7303      831        441         107   Telecom Argentina Stet-France
       6503      785        223         258   AVANTEL, S.A. 
      22047      564        310          15   VTR PUNTO NET S.A. 
      14420      545         39          76   CORPORACION NACIONAL DE TELEC
       3816      484        210          95   Empresa Nacional de Telecomun
       7738      478        922          30   Telecomunicacoes da Bahia S.A
      14117      448         32          27   Telefonica del Sur S.A. 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
      
      AfriNIC Region per AS prefix count summary
      ------------------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       8452     1060        445          10   TEDATA
      24863      742        147          39   LINKdotNET AS number
      36992      639        278         159   Etisalat MISR
       3741      268        907         225   The Internet Solution 
      24835      210         78          10   RAYA Telecom - Egypt
       6713      203        199          12   Itissalat Al-MAGHRIB
      29571      203         19          11   Ci Telecom Autonomous system 
       2018      197        277          64   Tertiary Education Network 
      33776      196         12          14   Starcomms Nigeria Limited
      16637      154        440          91   MTN Network Solutions
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
      
      Global Per AS prefix count summary
      ----------------------------------
      
        ASN   No of nets  /20 equiv  MaxAgg  Description
       6389     3765       3667         278   bellsouth.net, inc. 
       4323     2621       1103         394   Time Warner Telecom
       4766     1875       9453         513   Korea Telecom (KIX)
       1785     1794        698         130   PaeTec Communications, Inc.
      19262     1777       4833         279   Verizon Global Networks 
      20115     1506       1528         647   Charter Communications 
       7018     1437       5692         920   AT&T WorldNet Services
       7545     1417        299          78   TPG Internet Pty Ltd
       6478     1387        279          98   AT&T Worldnet Services 
       4755     1373        382         158   TATA Communications formerly 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
      
      Global Per AS Maximum Aggr summary
      ----------------------------------
      
        ASN   No of nets  Net Savings Description
       4323      2621        2227      Time Warner Telecom
       1785      1794        1664      PaeTec Communications, Inc.
      19262      1777        1498      Verizon Global Networks 
       4766      1875        1362      Korea Telecom (KIX)
       7545      1417        1339      TPG Internet Pty Ltd
       6478      1387        1289      AT&T Worldnet Services 
      17488      1364        1243      Hathway IP Over Cable Interne
       4755      1373        1215      TATA Communications formerly 
      17974      1274        1195      PT TELEKOMUNIKASI INDONESIA
      10620      1332        1182      TVCABLE BOGOTA 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
      
      List of Unregistered Origin ASNs (Global)
      -----------------------------------------
      
      Bad AS  Designation  Network              Transit AS  Description
      16927   UNALLOCATED  12.0.252.0/23         7018       AT&T WorldNet Servic
      15132   UNALLOCATED  12.9.150.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED  12.14.170.0/24        4323       Time Warner Telecom
      13746   UNALLOCATED  12.24.56.0/24         7018       AT&T WorldNet Servic
      32567   UNALLOCATED  12.25.107.0/24        4323       Time Warner Telecom
      26973   UNALLOCATED  12.39.152.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED  12.39.154.0/23        7018       AT&T WorldNet Servic
      26973   UNALLOCATED  12.39.155.0/24        7018       AT&T WorldNet Servic
      26973   UNALLOCATED  12.39.159.0/24        7018       AT&T WorldNet Servic
      25639   UNALLOCATED  12.41.169.0/24        7018       AT&T WorldNet Servic
      
      Complete listing at http://thyme.rand.apnic.net/current/data-badAS
      
      Advertised Unallocated Addresses
      --------------------------------
      
      Network            Origin AS  Description
      31.0.0.0/16          12654     RIPE NCC RIS Project
      31.1.0.0/21          12654     RIPE NCC RIS Project
      31.1.24.0/24         12654     RIPE NCC RIS Project
      41.222.79.0/24       36938     >>UNKNOWN<<
      41.223.92.0/22       36936     >>UNKNOWN<<
      62.61.220.0/24       24974     Tachyon Europe BV - Wireless 
      62.61.221.0/24       24974     Tachyon Europe BV - Wireless 
      64.21.192.0/20       11610     Internet Nebraska Corporation
      64.21.212.0/22       11610     Internet Nebraska Corporation
      64.21.216.0/21       11610     Internet Nebraska Corporation
      
      Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA
      
      Number of prefixes announced per prefix length (Global)
      -------------------------------------------------------
      
       /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
       /7:0        /8:19       /9:10      /10:25      /11:68      /12:207     
      /13:420     /14:744     /15:1345    /16:11370   /17:5497    /18:9345    
      /19:18553   /20:23802   /21:23849   /22:31438   /23:30643   /24:174207  
      /25:999     /26:1129    /27:583     /28:155     /29:12      /30:2       
      /31:0       /32:7       
      
      Advertised prefixes smaller than registry allocations
      -----------------------------------------------------
      
        ASN   No of nets  Total ann.   Description
       6389     2330          3765      bellsouth.net, inc. 
       4323     1410          2621      Time Warner Telecom
       6478     1349          1387      AT&T Worldnet Services 
      10620     1220          1332      TVCABLE BOGOTA 
      11492     1193          1236      Cable One 
       1785     1077          1794      PaeTec Communications, Inc.
      18566     1069          1088      Covad Communications 
       7011     1058          1159      Citizens Utilities 
       8452      967          1060      TEDATA
      19262      903          1777      Verizon Global Networks 
      
      Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
      
      Number of /24s announced per /8 block (Global)
      ----------------------------------------------
      
         1:87        2:12        4:13        8:313      12:2010     13:8      
        14:44       15:20       16:3        17:9        20:9        24:1386   
        27:383      31:1        32:61       33:12       38:696      40:97     
        41:2563     44:3        46:164      47:10       49:4        50:1      
        52:12       55:5        56:2        57:31       58:837      59:498    
        60:480      61:1112     62:1012     63:1964     64:3748     65:2344   
        66:4066     67:1819     68:1139     69:2850     70:757      71:376    
        72:1937     73:2        74:2334     75:295      76:326      77:868    
        78:691      79:445      80:1047     81:805      82:499      83:453    
        84:690      85:1020     86:433      87:694      88:326      89:1569   
        90:110      91:3125     92:431      93:1019     94:1110     95:700    
        96:395      97:222      98:628      99:33      101:3       108:64     
       109:708     110:434     111:608     112:305     113:305     114:483    
       115:607     116:1137    117:662     118:541     119:983     120:164    
       121:720     122:1596    123:917     124:1226    125:1270    128:228    
       129:152     130:167     131:566     132:275     133:20      134:207    
       135:46      136:212     137:139     138:280     139:109     140:479    
       141:198     142:347     143:383     144:498     145:55      146:432    
       147:174     148:621     149:308     150:146     151:231     152:293    
       153:175     154:3       155:369     156:166     157:334     158:112    
       159:361     160:313     161:198     162:271     163:166     164:424    
       165:349     166:469     167:424     168:683     169:154     170:718    
       171:61      172:2       173:1042    174:496     175:241     176:1      
       177:1       178:542     180:682     181:1       182:240     183:236    
       184:131     186:740     187:541     188:850     189:804     190:4189   
       192:5761    193:4752    194:3434    195:2826    196:1199    198:3542   
       199:3632    200:5419    201:1575    202:8158    203:8282    204:4008   
       205:2316    206:2566    207:3028    208:3907    209:3476    210:2559   
       211:1281    212:1798    213:1719    214:686     215:66      216:4769   
       217:1558    218:521     219:401     220:1182    221:429     222:343    
       223:58     
      
      End of report